Research output: Contribution to journal › Article › peer-review
Uniform quasi-classical formulas in the theory of atomic scattering. / Devdariani, A. Z.; Chesnokov, E. A.
In: Chemical Physics Reports, Vol. 17, No. 6, 01.12.1998, p. 1089-1106.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Uniform quasi-classical formulas in the theory of atomic scattering
AU - Devdariani, A. Z.
AU - Chesnokov, E. A.
PY - 1998/12/1
Y1 - 1998/12/1
N2 - The results of recent works dealing with uniform quasi-classical description of the basic quantities appearing in the theory of atomic scattering (S-matrix, amplitude, and differential and total scattering cross sections) are reviewed. The above-listed quantities are expressed in the form of multiple integrals calculated by the saddle-point method. The cases with two and three saddle points and also a specific case arising in calculation of total cross sections are analyzed. An analytical extrapolation of the formula for a differential cross section to the region of classically forbidden trajectories and a uniform formula for the total cross section of inelastic transition are suggested for the first time. The formulas can also be used to describe photon and electron spectra produced by atomic collisions.
AB - The results of recent works dealing with uniform quasi-classical description of the basic quantities appearing in the theory of atomic scattering (S-matrix, amplitude, and differential and total scattering cross sections) are reviewed. The above-listed quantities are expressed in the form of multiple integrals calculated by the saddle-point method. The cases with two and three saddle points and also a specific case arising in calculation of total cross sections are analyzed. An analytical extrapolation of the formula for a differential cross section to the region of classically forbidden trajectories and a uniform formula for the total cross section of inelastic transition are suggested for the first time. The formulas can also be used to describe photon and electron spectra produced by atomic collisions.
UR - http://www.scopus.com/inward/record.url?scp=3342916635&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:3342916635
VL - 17
SP - 1089
EP - 1106
JO - Chemical Physics Reports
JF - Chemical Physics Reports
SN - 1074-1550
IS - 6
T2 - 8th International Workshop on Modern Chemical Physics
Y2 - 1 January 1996
ER -
ID: 28478097